Factor the following expression. x4 + x2 – 20
2 answers:
You might be interested in
Answer:
The satisfaction level gained when a customer consumes a product is total utility.It calculated by finding the total sum of utility from consumption.
Marginal utility is the rate of change of total utility and quantity consumed.
Here you apply the expression, Marginal utility=change in total utility/change in quantity consumed
Let, Marginal utility=MU
Total utility=TU
Quantity consumed=QC
Then MU=ΔTU ÷Δ QC
Given the table
Chocolate Candy Bars Total Utility(utils) Marginal Utility(utils)
0 0 -
1 25 <u> x</u>
2 <u> y </u> 17
3 54 <u> z</u>
4 <u> a </u> <u> b</u>
5 66 4
6 <u> c </u> -1
Here you have assigned the missing areas with letter, hence finding the real values of the letters;
Apply MU=ΔTU÷ΔQC
<u>Answers</u>
y=42,x=25,z=12,a=62,b=8,c=65
Replace the letters with the real numbers in filling the table.
Answer:
a) 1 unit per hour will be infused.
b) 5mL per hour will be infused.
Step-by-step explanation:
Each question can be solved as a rule of three with direct measures, that means we have a cross multiplication.
a. How many units per hour will be infused?
20 units are going to be infused in 20 hours. How many units are going to be infused each hour?
1 hour - x units
20 hours - 20 units
1 unit per hour will be infused.
b. How many milliliters per hour will be infused?
100mL are going to be infused in 20 hours. How many mL are going to be infused each hour?
1 hour - x mL
20 hours - 100 mL
5mL per hour will be infused.